491696478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 1466468640

約数和(自身を除く): 974772162

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 37, 38, 39, 42, 49, 57, 61, 63, 74, 78, 91, 98, 111, 114, 117, 122, 126, 133, 147, 171, 182, 183, 222, 234, 247, 259, 266, 273, 294, 333, 342, 366, 399, 427, 441, 481, 494, 518, 546, 549, 637, 666, 703, 741, 777, 793, 798, 819, 854, 882, 931, 962, 1098, 1159, 1197, 1274, 1281, 1406, 1443, 1482, 1554, 1586, 1638, 1729, 1813, 1862, 1911, 2109, 2223, 2257, 2318, 2331, 2379, 2394, 2562, 2793, 2886, 2989, 3367, 3458, 3477, 3626, 3822, 3843, 4218, 4329, 4446, 4514, 4662, 4758, 4921, 5187, 5439, 5551, 5586, 5733, 5978, 6327, 6734, 6771, 6954, 7137, 7686, 8113, 8379, 8658, 8967, 9139, 9842, 10101, 10374, 10431, 10878, 11102, 11466, 12103, 12654, 13542, 14274, 14763, 15067, 15561, 15799, 16226, 16317, 16653, 16758, 17934, 18278, 20202, 20313, 20862, 23569, 24206, 24339, 26901, 27417, 29341, 29526, 30134, 30303, 31122, 31598, 32634, 33306, 34447, 36309, 38857, 40626, 42883, 44289, 45201, 47138, 47397, 48678, 49959, 53802, 54834, 56791, 58682, 60606, 63973, 68894, 70707, 72618, 73017, 77714, 82251, 85766, 88023, 88578, 90402, 94794, 99918, 103341, 105469, 108927, 110593, 113582, 116571, 127946, 128649, 135603, 141414, 142191, 146034, 164502, 170373, 176046, 191919, 205387, 206682, 210938, 212121, 217854, 221186, 233142, 257298, 264069, 271206, 284382, 300181, 310023, 316407, 331779, 340746, 349713, 383838, 385947, 410774, 424242, 447811, 511119, 528138, 557479, 575757, 600362, 616161, 620046, 632814, 663558, 699426, 738283, 771894, 895622, 900543, 949221, 995337, 1022238, 1114958, 1151514, 1232322, 1343433, 1437709, 1476566, 1672437, 1801086, 1848483, 1898442, 1990674, 2101267, 2214849, 2686866, 2701629, 2875418, 3344874, 3696966, 3902353, 4030299, 4202534, 4313127, 4429698, 5017311, 5403258, 6303801, 6644547, 7804706, 8060598, 8626254, 10034622, 11707059, 12607602, 12939381, 13289094, 18911403, 23414118, 25878762, 27316471, 35121177, 37822806, 54632942, 70242354, 81949413, 163898826, 245848239, 491696478]

約数ペア:

[(1, 491696478), (2, 245848239), (3, 163898826), (6, 81949413), (7, 70242354), (9, 54632942), (13, 37822806), (14, 35121177), (18, 27316471), (19, 25878762), (21, 23414118), (26, 18911403), (37, 13289094), (38, 12939381), (39, 12607602), (42, 11707059), (49, 10034622), (57, 8626254), (61, 8060598), (63, 7804706), (74, 6644547), (78, 6303801), (91, 5403258), (98, 5017311), (111, 4429698), (114, 4313127), (117, 4202534), (122, 4030299), (126, 3902353), (133, 3696966), (147, 3344874), (171, 2875418), (182, 2701629), (183, 2686866), (222, 2214849), (234, 2101267), (247, 1990674), (259, 1898442), (266, 1848483), (273, 1801086), (294, 1672437), (333, 1476566), (342, 1437709), (366, 1343433), (399, 1232322), (427, 1151514), (441, 1114958), (481, 1022238), (494, 995337), (518, 949221), (546, 900543), (549, 895622), (637, 771894), (666, 738283), (703, 699426), (741, 663558), (777, 632814), (793, 620046), (798, 616161), (819, 600362), (854, 575757), (882, 557479), (931, 528138), (962, 511119), (1098, 447811), (1159, 424242), (1197, 410774), (1274, 385947), (1281, 383838), (1406, 349713), (1443, 340746), (1482, 331779), (1554, 316407), (1586, 310023), (1638, 300181), (1729, 284382), (1813, 271206), (1862, 264069), (1911, 257298), (2109, 233142), (2223, 221186), (2257, 217854), (2318, 212121), (2331, 210938), (2379, 206682), (2394, 205387), (2562, 191919), (2793, 176046), (2886, 170373), (2989, 164502), (3367, 146034), (3458, 142191), (3477, 141414), (3626, 135603), (3822, 128649), (3843, 127946), (4218, 116571), (4329, 113582), (4446, 110593), (4514, 108927), (4662, 105469), (4758, 103341), (4921, 99918), (5187, 94794), (5439, 90402), (5551, 88578), (5586, 88023), (5733, 85766), (5978, 82251), (6327, 77714), (6734, 73017), (6771, 72618), (6954, 70707), (7137, 68894), (7686, 63973), (8113, 60606), (8379, 58682), (8658, 56791), (8967, 54834), (9139, 53802), (9842, 49959), (10101, 48678), (10374, 47397), (10431, 47138), (10878, 45201), (11102, 44289), (11466, 42883), (12103, 40626), (12654, 38857), (13542, 36309), (14274, 34447), (14763, 33306), (15067, 32634), (15561, 31598), (15799, 31122), (16226, 30303), (16317, 30134), (16653, 29526), (16758, 29341), (17934, 27417), (18278, 26901), (20202, 24339), (20313, 24206), (20862, 23569)]